Let's see whether it is a NameSpace item...
(1) Type RegEdit into Search, & click "Run as Administrator".
(2) Copy/paste the following into its address bar...
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace
(3) Right-click NameSpace in the left pane, & select "Export".
Call it, say, "NameSpace", & save it, say, to the Desktop. Close RegEdit.
(4) Right-click NameSpace on the Desktop, & select "Edit".
(5) Use Ctrl-A & Ctrl-C to copy its content, then post it to us.
We will look for something weird in yours & delete it. Here is mine...
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace]
"MonitorRegistry"=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace\DelegateFolders]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace\DelegateFolders{F5FB2C77-0E2F-4A16-A381-3E560C68BC83}]
@="Removable Drives"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{031E4825-7B94-4dc3-B131-E946B44C8DD5}]
@="UsersLibraries"
"Removal Message"="@shell32.dll,-9047"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{04731B67-D933-450a-90E6-4ACD2E9408FE}]
@="CLSID_SearchFolder"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{11016101-E366-4D22-BC06-4ADA335C892B}]
@="IE History and Feeds Shell Data Source for Windows Search"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{26EE0668-A00A-44D7-9371-BEB064C98683}]
@="ControlPanelHome"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{2F6CE85C-F9EE-43CA-90C7-8A9BD53A2467}]
@="File History Data Source"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{4336a54d-038b-4685-ab02-99bb52d3fb8b}]
@="Public folder"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{450D8FBA-AD25-11D0-98A8-0800361B1103}]
@="Documents"
"Removal Message"="@mydocs.dll,-900"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{5399E694-6CE5-4D6C-8FCE-1D8870FDCBA0}]
@="ControlPanelStartupPage"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{59031a47-3f72-44a7-89c5-5595fe6b30ee}]
@="UsersFiles"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{5b934b42-522b-4c34-bbfe-37a3ef7b9c90}]
@="This Device Folder"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{645FF040-5081-101B-9F08-00AA002F954E}]
@="Recycle Bin"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{64693913-1c21-4f30-a98f-4e52906d3b56}]
@="AppInstanceFolder"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{89D83576-6BD1-4c86-9454-BEB04E94C819}]
@="MAPI Folder"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{8FD8B88D-30E1-4F25-AC2B-553D3D65F0EA}]
@="DXP"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{9343812e-1c37-4a49-a12e-4b2d810d956b}]
@="Search Home"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{98F275B4-4FFF-11E0-89E2-7B86DFD72085}]
@="CLSID_StartMenuLauncherProviderFolder"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{a00ee528-ebd9-48b8-944a-8942113d46ac}]
@="CLSID_StartMenuCommandingProviderFolder"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{B4FB3F98-C1EA-428d-A78A-D1F5659CBA93}]
@="Other Users"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{BD7A2E7B-21CB-41b2-A086-B309680C6B7E}]
@="CSC Folder"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{daf95313-e44d-46af-be1b-cbacea2c3065}]
@="CLSID_StartMenuProviderFolder"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{e345f35f-9397-435c-8f95-4e922c26259e}]
@="CLSID_StartMenuPathCompleteProviderFolder"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{EDC978D6-4D53-4b2f-A265-5805674BE568}]
@="StreamBackedFolder"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{F02C1A0D-BE21-4350-88B0-7367FC96EF3C}]
@="Computers and Devices"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace{f8278c54-a712-415b-b593-b77a2be0dda9}]
@="This Device Folder"